Home / 2,018.44-2,784.93-1,231.93

Finding the Fourth Proportional to 2,018.44, 2,784.93 and 1,231.93

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Solution

The fourth proportional to 2,018.44, 2,784.93 and 1,231.93 is: 1,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.44 : 2,784.93 = 1,231.93 : x
  2. Step 2: Convert to fraction form
    2,018.44/2,784.93 = 1,231.93/x
  3. Step 3: Cross multiply
    2,018.44x = 2,784.93 × 1,231.93
  4. Step 4: Simplify right side
    2,018.44x = 3,430,838.81
  5. Step 5: Solve for x
    x = 3,430,838.81/2,018.44
  6. Step 6: Final answer
    x = 1,699.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.